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Gastroenterologists in Iowa

Data updated monthly · Last refresh October 2026

122 Gastroenterology providers practice in Iowa, including 11 (9%) offering telehealth. The largest concentration is in Iowa City. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.

122providers
11telehealth
Iowa Citytop city

Gastroenterology by city in Iowa

Choose a city to see providers there.

Gastroenterology in Iowa City45 providers
Gastroenterology in Clive20 providers
Gastroenterology in West Des Moines15 providers
Gastroenterology in Cedar Rapids9 providers
Gastroenterology in Waterloo7 providers
Gastroenterology in Bettendorf7 providers
Gastroenterology in Ames5 providers
Gastroenterology in Dubuque3 providers
Gastroenterology in Davenport2 providers
Gastroenterology in Clinton2 providers
Gastroenterology in West Burlington1 providers
Gastroenterology in Sioux City1 providers
Gastroenterology in Cedar Falls1 providers
Gastroenterology in Fairfield1 providers
Gastroenterology in Mason City1 providers
Gastroenterology in Des Moines1 providers
Gastroenterology in Nevada1 providers

Gastroenterology providers in Iowa

Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Songul Atay, MD
Fairfield, IA · No drug or device payments recorded (2025) · (641) 469-4204
Dr. Abdullah Abbasi, MD
Iowa City, IA · $2,342 in drug and device payments (2025) · (319) 384-6580
Dr. Adrian Holm, D.O.
Iowa City, IA · No drug or device payments recorded (2025) · (319) 356-4901
Dr. Amer El Sayed, M.D
Iowa City, IA · No drug or device payments recorded (2025) · (319) 356-4901
Dr. Anjana Aggarwal, MD
Iowa City, IA · $24 in drug and device payments (2025) · (319) 356-4901
Dr. Avraham Levin, M.D.
Iowa City, IA · No drug or device payments recorded (2025) · (319) 356-4901
Dr. Caryn Berkowitz, MD
Iowa City, IA · No drug or device payments recorded (2025) · (319) 356-4901
Dr. David Elliott, MD PHD
Iowa City, IA · No drug or device payments recorded (2025) · Telehealth · (319) 356-4901
Dr. Dean Abramson, MD
Iowa City, IA · $14 in drug and device payments (2025) · (319) 356-2132
Dr. Divya Ashat, M.D.
Iowa City, IA · $117 in drug and device payments (2025) · Telehealth · (319) 384-5492
Dr. Elio Castro Filho, MD, MSC, PHD
Iowa City, IA · No drug or device payments recorded (2025) · (319) 356-2132
Dr. Evelyn Simabuguro Chinem, MD
Iowa City, IA · No drug or device payments recorded (2025) · (319) 356-4901
Dr. F Field, MD
Iowa City, IA · No drug or device payments recorded (2025) · (319) 356-2579
Dr. Frances Meyer, MD
Iowa City, IA · No drug or device payments recorded (2025) · (319) 356-3127
Dr. Frederick Johlin, MD
Iowa City, IA · No drug or device payments recorded (2025) · (319) 356-4901
Dr. Gopala Koneru, M.D.
Iowa City, IA · $577 in drug and device payments (2025) · (319) 356-2132
Dr. Henning Gerke, MD
Iowa City, IA · $116 in drug and device payments (2025) · (319) 356-4901
Dr. Jeffrey Dunkelberg, MD
Iowa City, IA · $25 in drug and device payments (2025) · (319) 356-2132
Dr. Jeffrey Goldman, MD
Iowa City, IA · No drug or device payments recorded (2025) · Telehealth · (319) 356-8133
Dr. Joseph Truszkowski, MD
Iowa City, IA · No drug or device payments recorded (2025) · (319) 337-5997
Dr. Konrad Schulze, MD
Iowa City, IA · No drug or device payments recorded (2025) · (319) 356-2793
Dr. Kyle Brown, MD
Iowa City, IA · No drug or device payments recorded (2025) · (319) 356-4901
Dr. Maen Masadeh, MBBS
Iowa City, IA · $7,925 in drug and device payments (2025) · (319) 384-9668
Dr. Marta Tejedor Bravo, PHD, MBBS
Iowa City, IA · $114 in drug and device payments (2025) · (319) 467-8100
Dr. Masaaki Kurahashi, MD
Iowa City, IA · $356 in drug and device payments (2025) · Telehealth · (319) 356-3127
Dr. Mirac Ince, M.D.
Iowa City, IA · No drug or device payments recorded (2025) · (319) 356-4901
Dr. Mohamad Mokadem, M.D.
Iowa City, IA · $168 in drug and device payments (2025) · (319) 356-4901
Dr. Munish Ashat, M.D.
Iowa City, IA · $300 in drug and device payments (2025) · (319) 356-7209
Dr. Nancy Gupta, M.D.
Iowa City, IA · No drug or device payments recorded (2025) · (319) 467-2000
Dr. Naurang Agrawal, MD
Iowa City, IA · No drug or device payments recorded (2025) · (319) 356-2131
Dr. Ngozi Nwude, MBBS
Iowa City, IA · No drug or device payments recorded (2025) · Telehealth · (319) 356-4060
Dr. Ottar Bergmann, M.D.
Iowa City, IA · No drug or device payments recorded (2025) · (319) 356-1616
Dr. Rami El Abiad, M.D.
Iowa City, IA · No drug or device payments recorded (2025) · (319) 356-4901
Dr. Rintaro Hashimoto, MD PHD
Iowa City, IA · $146 in drug and device payments (2025) · Telehealth · (319) 356-1616
Dr. Robert Silber, MD
Iowa City, IA · No drug or device payments recorded (2025) · (319) 366-8695
Dr. Roger Ewing, MD
Iowa City, IA · No drug or device payments recorded (2025) · (319) 337-5997
Dr. Rohit Nathani, MBBS
Iowa City, IA · $1,146 in drug and device payments (2025) · (319) 356-4901
Dr. Sara Naimimohasses, MB BCH
Iowa City, IA · $84 in drug and device payments (2025) · (319) 356-4060
Dr. Serhan Karvar, MD
Iowa City, IA · $51 in drug and device payments (2025) · Telehealth · (319) 356-2132
Dr. Steven Polyak, MD
Iowa City, IA · No drug or device payments recorded (2025) · Telehealth · (319) 356-4901
Dr. Swathi Rajagopal, M.B.B.S.
Iowa City, IA · No drug or device payments recorded (2025) · (319) 354-4901
Dr. Taimur Muzammil, MD
Iowa City, IA · $127 in drug and device payments (2025) · (319) 356-2132
Dr. Thomas Shreves, MD
Iowa City, IA · No drug or device payments recorded (2025) · (319) 337-5997
Dr. William Silverman, MD
Iowa City, IA · No drug or device payments recorded (2025) · (319) 384-9995
Dr. Yehudith Assouline-dayan, MD
Iowa City, IA · No drug or device payments recorded (2025) · (319) 353-6399
Dr. Ye-jin Lee, MD
Iowa City, IA · No drug or device payments recorded (2025) · Telehealth · (319) 356-4901
Dr. Satish Sondhi, M.D.
Mason City, IA · $17 in drug and device payments (2025) · (641) 494-5350
Dr. Thomas Johnson, M.D.
Nevada, IA · No drug or device payments recorded (2025) · (515) 296-2041
Dr. James Roat, M.D.
Sioux City, IA · No drug or device payments recorded (2025) · (712) 252-1322
Dr. Moaz Sial
Waterloo, IA · $286 in drug and device payments (2025) · (319) 234-5990

Conditions Gastroenterology providers in Iowa commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Gastroenterology providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Gastroenterology providers are in Iowa?

There are 122 Gastroenterology providers with active NPI records practicing in Iowa, according to federal NPPES data refreshed monthly.

Do Gastroenterology providers in Iowa offer telehealth?

Yes. 11 of the 122 Gastroenterology providers in Iowa (about 9%) report offering telehealth services in CMS data.

Which cities in Iowa have the most Gastroenterology providers?

Iowa City (45), Clive (20), West Des Moines (15) have the highest concentration of Gastroenterology providers in Iowa.

How many Gastroenterology providers in Iowa received drug or device company payments?

60 of 122 Gastroenterology providers in Iowa (49%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

What conditions do Gastroenterology providers in Iowa treat?

Gastroenterology providers commonly treat acid reflux, IBS, Crohn disease, ulcerative colitis, celiac disease and related conditions. Individual practices vary, so confirm with the provider before booking.

Where does this data come from?

Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

Do most Gastroenterologists in Iowa work in independent practices or large health systems?

Among 73 Gastroenterologists in Iowa enrolled in Medicare, 3% bill through a solo or small practice with fewer than 10 clinicians, 16% through a mid-size group of 10 to 99, and 81% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Gastroenterologists in Iowa work at?

According to CMS facility affiliation records, the Iowa hospitals where the most Gastroenterologists hold privileges are University of Iowa Hospital & Clinics in Iowa City; Unitypoint Health - Des Moines Iowa Methodist Medi in Des Moines; Mercyone Des Moines Medical Center in Des Moines.

Related reading on HealthcareDiscovery.AI

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Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Gastroenterology in Iowa? Get featured.